Physics, 13.09.2019 00:30 nightwolf8999
It turns out that burning coal still provides a major source of electricity generation in ohio. coal yields about 30 gigajoules (gj = 109 j) of electricity per metric ton (1000 kg). assuming that the coal plant is 30% efficient (i. e. the plant captures 30% of the energy converted by burning coal), how much total coal has to be burned to keep the led from question 1 lighted for the week? how does that compare to the coal required to light the incandescent bulb for the same period?
Answers: 3
Physics, 22.06.2019 00:30
Ablock of steel has a density of 0.29lbs per cubic inch. if the block has dimensions of 1 inch by 1 inch by 3 inches, what is its weight? a. 0.29lbs b. 0.58lbs c. 0.87lbs d. 1lbs
Answers: 1
Physics, 22.06.2019 12:00
You have a resistor and a capacitor of unknown values. first, you charge the capacitor and discharge it through the resistor. by monitoring the capacitor voltage on an oscilloscope, you see that the voltage decays to half its initial value in 2.70 miss . you then use the resistor and capacitor to make a low-pass filter. what is the crossover frequency fc?
Answers: 2
It turns out that burning coal still provides a major source of electricity generation in ohio. coal...
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